In young's double slit experiment, the two slits are 'd' distance apart. Interference pattern is observed on the screen at a distance 'D' from the slits. First dark fringe is observed on the screen directly opposite to one of the slits. The wavelength of the light is - VgyanHub

Question:

In young’s double slit experiment, the two slits are ‘d’ distance apart. Interference pattern is observed on the screen at a distance ‘D’ from the slits. First dark fringe is observed on the screen directly opposite to one of the slits. The wavelength of the light is

Options :

(a) D^2/2d
(b) D^2/d
(c) d^2/2D
(d) d^2/D

Answer :

(d) d²/D

Answer Steps :

step 1

step 2

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